Anonymous takes down Visa.com in WikiLeaks protest

It's the latest in a string of takedowns that also hit Mastercard and Blogger

A loosely organized group of Internet hacktivists took down Visa's website Wednesday, after organizing a similar attack on MasterCard.

The group, called Anonymous, has been encouraging volunteers to download software called LOIC (Low Orbit Ion Cannon), which lets them centrally control these systems and direct them into a distributed denial of service attack (DDoS). The point of the attacks is to put pressure on financial companies that recently cut ties with the WikiLeaks website over its planned publication of more than a quarter million U.S. Department of State classified cables.

After successfully knocking Mastercard.com offline, the group decided to attack Visa.com around 1 p.m. Pacific time. The site was quickly knocked offline.

"IT'S DOWN! KEEP FIRING!!!" the group said in a Twitter message a few minutes later.

The Mastercard website went offline when about 400 computers targeted the LOIC software at it. By the time Visa was hit, however, there were more than 2,000 people using the software, according to Paul Mutton, a security analyst with Netcraft. Visa was a much harder target to take down, because unlike Mastercard.com, it was distributed over the Akamai Technologies network. This meant that more Visa-hosting computers had to be overwhelmed to finally knock the site offline.

Reached shortly after 1 p.m. Pacific time, a Visa representative was unable to immediately comment on the attack.

WikiLeaks supporters have hit the sites of other companies that have cut ties with WikiLeaks, including payment processor PostFinance, PayPal and EveryDNS.

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Robert McMillan

IDG News Service
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